Water ski



FIG. 1 is a perspective view of a water ski showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image of that shown;

FIG. 4 is a botton plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a front elevational view thereof. 

The ornamental design for a water ski, as shown and described. 